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TrojanDownloader:Java/Openstream.AM Coincidental to uploading 1.50.1


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Microsoft Essentials popped a warning while doing a scan using Malwarebytes that had been just updated to 1.50.1.

TrojanDownloader:Java/Openstream.AM

The quick scan from Malwarebytes noted one issue in a registry file as highlighted below:

Malwarebytes' Anti-Malware 1.44

Database version: 3510

Windows 6.1.7600

Internet Explorer 8.0.7600.16385

6/20/2010 5:13:39 PM

mbam-log-2010-06-20 (17-13-39).txt

Scan type: Full Scan (C:\|)

Objects scanned: 339032

Time elapsed: 40 minute(s), 31 second(s)

Memory Processes Infected: 0

Memory Modules Infected: 0

Registry Keys Infected: 0

Registry Values Infected: 0

Registry Data Items Infected: 1

Folders Infected: 0

Files Infected: 0

Memory Processes Infected:

(No malicious items detected)

Memory Modules Infected:

(No malicious items detected)

Registry Keys Infected:

(No malicious items detected)

Registry Values Infected:

(No malicious items detected)

Registry Data Items Infected:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\NoActiveDesktopChanges (Hijack.DisplayProperties) -> Bad: (1) Good: (0) -> Quarantined and deleted successfully.

Folders Infected:

(No malicious items detected)

Files Infected:

(No malicious items detected)

MS Essential didn't wait for me to respond and it first quarantined and then deleted the file as I was doing research and typing into this forum.

If this was not a part of the new upload (Direct link from Malwarebytes to BleepingComputer....), can someone advise should I have expected a Quick Scan to detect this and if so, why didn't 1.50.1 scan it?

Thanks,

Happy New Year

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The scan you performed was with version 1.44 which is quite outdated.

My bad, I opened mbam and copied the top report which was the oldest. Today's scan found nothing.

Malwarebytes' Anti-Malware 1.50.1.1100

www.malwarebytes.org

Database version: 5409

Windows 6.1.7600

Internet Explorer 8.0.7600.16385

12/28/2010 3:55:00 PM

mbam-log-2010-12-28 (15-55-00).txt

Scan type: Quick scan

Objects scanned: 165126

Time elapsed: 5 minute(s), 39 second(s)

Memory Processes Infected: 0

Memory Modules Infected: 0

Registry Keys Infected: 0

Registry Values Infected: 0

Registry Data Items Infected: 0

Folders Infected: 0

Files Infected: 0

Memory Processes Infected:

(No malicious items detected)

Memory Modules Infected:

(No malicious items detected)

Registry Keys Infected:

(No malicious items detected)

Registry Values Infected:

(No malicious items detected)

Registry Data Items Infected:

(No malicious items detected)

Folders Infected:

(No malicious items detected)

Files Infected:

(No malicious items detected)

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